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// Copyright 2011 GRNET S.A. All rights reserved.
2
// 
3
// Redistribution and use in source and binary forms, with or
4
// without modification, are permitted provided that the following
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// conditions are met:
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// 
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//   1. Redistributions of source code must retain the above
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//      copyright notice, this list of conditions and the following
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//      disclaimer.
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// 
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//   2. Redistributions in binary form must reproduce the above
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//      copyright notice, this list of conditions and the following
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//      disclaimer in the documentation and/or other materials
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//      provided with the distribution.
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// 
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// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// 
29
// The views and conclusions contained in the software and
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// documentation are those of the authors and should not be
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// interpreted as representing official policies, either expressed
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// or implied, of GRNET S.A.
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// 
34

    
35
;(function(root){
36
    
37
    // root
38
    var root = root;
39
    
40
    // setup namepsaces
41
    var snf = root.synnefo = root.synnefo || {};
42
    var models = snf.models = snf.models || {}
43
    var storage = snf.storage = snf.storage || {};
44
    var util = snf.util = snf.util || {};
45

    
46
    // shortcuts
47
    var bb = root.Backbone;
48
    var slice = Array.prototype.slice
49

    
50
    // logging
51
    var logger = new snf.logging.logger("SNF-MODELS");
52
    var debug = _.bind(logger.debug, logger);
53
    
54
    // get url helper
55
    var getUrl = function(baseurl) {
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        var baseurl = baseurl || snf.config.api_urls[this.api_type];
57
        var append = "/";
58
        if (baseurl.split("").reverse()[0] == "/") {
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          append = "";
60
        }
61
        return baseurl + append + this.path;
62
    }
63

    
64
    // i18n
65
    BUILDING_MESSAGES = window.BUILDING_MESSAGES || {'INIT': 'init', 'COPY': '{0}, {1}, {2}', 'FINAL': 'final'};
66

    
67
    // Base object for all our models
68
    models.Model = bb.Model.extend({
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        sync: snf.api.sync,
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        api: snf.api,
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        api_type: 'compute',
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        has_status: false,
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        auto_bind: [],
74

    
75

    
76
        initialize: function() {
77
            var self = this;
78
            
79
            this._proxy_model_cache = {};
80
            _.each(this.auto_bind, function(fname) {
81
              self[fname] = _.bind(self[fname], self);
82
            });
83

    
84
            if (this.has_status) {
85
                this.bind("change:status", this.handle_remove);
86
                this.handle_remove();
87
            }
88
            
89
            this.api_call = _.bind(this.api.call, this);
90
              
91
            if (this.proxy_attrs) {
92
              this.init_proxy_attrs();             
93
            }
94

    
95
            if (this.storage_attrs) {
96
              this.init_storage_attrs();
97
            }
98

    
99
            if (this.model_actions) {
100
              this.init_model_actions();             
101
            }
102

    
103
            models.Model.__super__.initialize.apply(this, arguments);
104

    
105
        },
106
        
107
        // Initialize model actions object
108
        // For each entry in model's model_action object register the relevant 
109
        // model proxy `can_<actionname>` attributes.
110
        init_model_actions: function() {
111
          var actions = _.keys(this.model_actions);
112
          this.set({
113
            "actions": new models._ActionsModel({}, {
114
              actions: actions,
115
              model: this
116
            })
117
          });
118
          this.actions = this.get("actions");
119

    
120
          _.each(this.model_actions, function(params, key){
121
            var attr = 'can_' + key;
122
            if (params.length == 0) { return }
123
            var deps = params[0];
124
            var cb = _.bind(params[1], this);
125
            _.each(deps, function(dep) {
126
              this._set_proxy_attr(attr, dep, cb);
127
            }, this);
128
          }, this);
129
        },
130
        
131
        // Initialize proxy storage model attributes. These attribues allows 
132
        // us to automatically access cross collection associated objects.
133
        init_storage_attrs: function() {
134
          _.each(this.storage_attrs, function(params, attr) {
135
            var store, key, attr_name;
136
            store = synnefo.storage[params[0]];
137
            key = params[1];
138
            attr_resolver = params[2];
139
            if (!attr_resolver) {
140
              attr_resolver = function(model, attr) {
141
                return model.get(attr);
142
              }
143
            }
144
            attr_name = attr;
145
          
146
            var resolve_related_instance = function(storage, attr_name, val) {
147
              var data = {};
148

    
149
              if (!val) { 
150
                // update with undefined and return
151
                data[key] = undefined;
152
                this.set(data);
153
                return;
154
              };
155
            
156
              // retrieve related object (check if its a Model??)
157
              var obj = store.get(val);
158
              
159
              if (obj) {
160
                // set related object
161
                data[attr_name] = obj;
162
                this.set(data, {silent:true})
163
                this.trigger("change:" + attr_name, obj);
164
              } else {
165
                var self = this;
166
                var retry_to_resolve = function(store, val, key) {
167
                  var retries = 0;
168
                  var retry = window.setInterval(function(){
169
                    retries++;
170
                    if (retries > 200) {
171
                      clearInterval(retry);
172
                    }
173
                    var obj = store.get(val);
174
                    if (obj) {
175
                      data[key] = obj;
176
                      self.set(data, {silent:false});
177
                      clearInterval(retry);
178
                    }
179
                  }, 500);
180
                  return retry
181
                }
182
                retry_to_resolve(store, val, key);
183
              }
184
            }
185
            
186
            var self = this;
187
            function init_bindings(instance, store, key, attr, attr_resolver) {
188
              instance.bind('change:' + attr, function(model) {
189
                resolve_related_instance.call(model, store, key, attr_resolver(model, attr));
190
              }, this);
191

    
192
              instance.bind('add', function(model) {
193
                resolve_related_instance.call(model, store, key, attr_resolver(model, attr));
194
              }, this);
195
            }
196

    
197
            init_bindings(this, store, key, attr, attr_resolver);
198
            resolve_related_instance.call(this, store, key, attr_resolver(this, attr));
199
          }, this);
200
        },
201
        
202
        _proxy_model_cache: {},
203
        
204
        _bind_model: function(model, attr, check_attr, cb) {
205
          var proxy_cache_key = attr + '_' + check_attr;
206
          if (this._proxy_model_cache[proxy_cache_key]) {
207
            var proxy = this._proxy_model_cache[proxy_cache_key];
208
            proxy[0].unbind('change', proxy[1]);
209
          }
210
          var data = {};
211
          var changebind = _.bind(function() {
212
            data[attr] = cb.call(this, this.get(check_attr));
213
            this.set(data);
214
          }, this);
215
          model.bind('change', changebind);
216
          this._proxy_model_cache[proxy_cache_key] = [model, changebind];
217
        },
218

    
219
        _bind_attr: function(attr, check_attr, cb) {
220
          this.bind('change:' + check_attr, function() {
221
            if (this.get(check_attr) instanceof models.Model) {
222
              var model = this.get(check_attr);
223
              this._bind_model(model, attr, check_attr, cb);
224
            }
225
            var val = cb.call(this, this.get(check_attr));
226
            var data = {};
227
            if (this.get(attr) !== val) {
228
              data[attr] = val;
229
              this.set(data);
230
            }
231
          }, this);
232
        },
233

    
234
        _set_proxy_attr: function(attr, check_attr, cb) {
235
          // initial set
236
          var data = {};
237
          data[attr] = cb.call(this, this.get(check_attr));
238
          if (data[attr] !== undefined) {
239
            this.set(data, {silent:true});
240
          }
241
          if(this.get(check_attr) instanceof models.Model) {
242
            this._bind_model(this.get(check_attr), attr, check_attr, cb);
243
          }
244
          this._bind_attr(attr, check_attr, cb);
245
        },
246

    
247
        init_proxy_attrs: function() {
248
          _.each(this.proxy_attrs, function(opts, attr){
249
            var cb = opts[1];
250
            _.each(opts[0], function(check_attr){
251
              this._set_proxy_attr(attr, check_attr, cb)
252
            }, this);
253
          }, this);
254
        },
255
        
256
        handle_remove: function() {
257
            if (this.get("status") == 'DELETED') {
258
                if (this.collection) {
259
                    try { this.clear_pending_action();} catch (err) {};
260
                    try { this.reset_pending_actions();} catch (err) {};
261
                    try { this.stop_stats_update();} catch (err) {};
262
                    this.collection.remove(this.id);
263
                }
264
            }
265
        },
266
        
267
        // custom set method to allow submodels to use
268
        // set_<attr> methods for handling the value of each
269
        // attribute and overriding the default set method
270
        // for specific parameters
271
        set: function(params, options) {
272
            _.each(params, _.bind(function(value, key){
273
                if (this["set_" + key]) {
274
                    params[key] = this["set_" + key](value);
275
                }
276
            }, this))
277
            var ret = bb.Model.prototype.set.call(this, params, options);
278
            return ret;
279
        },
280

    
281
        url: function(options) {
282
            return getUrl.call(this, this.base_url) + "/" + this.id;
283
        },
284

    
285
        api_path: function(options) {
286
            return this.path + "/" + this.id;
287
        },
288

    
289
        parse: function(resp, xhr) {
290
        },
291

    
292
        remove: function(complete, error, success) {
293
            this.api_call(this.api_path(), "delete", undefined, complete, error, success);
294
        },
295

    
296
        changedKeys: function() {
297
            return _.keys(this.changedAttributes() || {});
298
        },
299
            
300
        // return list of changed attributes that included in passed list
301
        // argument
302
        getKeysChanged: function(keys) {
303
            return _.intersection(keys, this.changedKeys());
304
        },
305
        
306
        // boolean check of keys changed
307
        keysChanged: function(keys) {
308
            return this.getKeysChanged(keys).length > 0;
309
        },
310

    
311
        // check if any of the passed attribues has changed
312
        hasOnlyChange: function(keys) {
313
            var ret = false;
314
            _.each(keys, _.bind(function(key) {
315
                if (this.changedKeys().length == 1 && this.changedKeys().indexOf(key) > -1) { ret = true};
316
            }, this));
317
            return ret;
318
        }
319

    
320
    })
321
    
322
    // Base object for all our model collections
323
    models.Collection = bb.Collection.extend({
324
        sync: snf.api.sync,
325
        api: snf.api,
326
        api_type: 'compute',
327
        supportIncUpdates: true,
328

    
329
        initialize: function() {
330
            models.Collection.__super__.initialize.apply(this, arguments);
331
            this.api_call = _.bind(this.api.call, this);
332
            if (this.sortFields) {
333
              _.each(this.sortFields, function(f) {
334
                this.bind("change:" + f, _.bind(this.resort, this));
335
              }, this);
336
            }
337
        },
338
          
339
        resort: function() {
340
          this.sort();
341
        },
342

    
343
        url: function(options, method) {
344
            return getUrl.call(this, this.base_url) + (
345
                    options.details || this.details && method != 'create' ? '/detail' : '');
346
        },
347

    
348
        fetch: function(options) {
349
            if (!options) { options = {} };
350
            // default to update
351
            if (!this.noUpdate) {
352
                if (options.update === undefined) { options.update = true };
353
                if (!options.removeMissing && options.refresh) { 
354
                  options.removeMissing = true;
355
                };
356
                // for collections which associated models don't support 
357
                // deleted state identification through attributes, resolve  
358
                // deleted entries by checking for missing objects in fetch 
359
                // responses.
360
                if (this.updateEntries && options.removeMissing === undefined) {
361
                  options.removeMissing = true;
362
                }
363
            } else {
364
                if (options.refresh === undefined) {
365
                    options.refresh = true;
366
                    if (this.updateEntries) {
367
                      options.update = true;
368
                      options.removeMissing = true;
369
                    }
370
                }
371
            }
372
            // custom event foreach fetch
373
            return bb.Collection.prototype.fetch.call(this, options)
374
        },
375

    
376
        create: function(model, options) {
377
            var coll = this;
378
            options || (options = {});
379
            model = this._prepareModel(model, options);
380
            if (!model) return false;
381
            var success = options.success;
382
            options.success = function(nextModel, resp, xhr) {
383
                if (coll.add_on_create) {
384
                  coll.add(nextModel, options);
385
                }
386
                if (success) success(nextModel, resp, xhr);
387
            };
388
            model.save(null, options);
389
            return model;
390
        },
391

    
392
        get_fetcher: function(interval, increase, fast, increase_after_calls, max, initial_call, params) {
393
            var fetch_params = params || {};
394
            var handler_options = {};
395

    
396
            fetch_params.skips_timeouts = true;
397
            handler_options.interval = interval;
398
            handler_options.increase = increase;
399
            handler_options.fast = fast;
400
            handler_options.increase_after_calls = increase_after_calls;
401
            handler_options.max= max;
402
            handler_options.id = "collection id";
403

    
404
            var last_ajax = undefined;
405
            var callback = _.bind(function() {
406
                // clone to avoid referenced objects
407
                var params = _.clone(fetch_params);
408
                updater._ajax = last_ajax;
409
                
410
                // wait for previous request to finish
411
                if (last_ajax && last_ajax.readyState < 4 && last_ajax.statusText != "timeout") {
412
                    // opera readystate for 304 responses is 0
413
                    if (!($.browser.opera && last_ajax.readyState == 0 && last_ajax.status == 304)) {
414
                        return;
415
                    }
416
                }
417
                last_ajax = this.fetch(params);
418
            }, this);
419
            handler_options.callback = callback;
420

    
421
            var updater = new snf.api.updateHandler(_.clone(_.extend(handler_options, fetch_params)));
422
            snf.api.bind("call", _.throttle(_.bind(function(){ updater.faster(true)}, this)), 1000);
423
            return updater;
424
        }
425
    });
426
    
427
    // Image model
428
    models.Image = models.Model.extend({
429
        path: 'images',
430
        
431
        get_size: function() {
432
            return parseInt(this.get('metadata') ? this.get('metadata').size : -1)
433
        },
434

    
435
        get_description: function(escape) {
436
            if (escape == undefined) { escape = true };
437
            if (escape) { return this.escape('description') || "No description available"}
438
            return this.get('description') || "No description available."
439
        },
440

    
441
        get_meta: function(key) {
442
            if (this.get('metadata') && this.get('metadata')) {
443
                if (!this.get('metadata')[key]) { return null }
444
                return _.escape(this.get('metadata')[key]);
445
            } else {
446
                return null;
447
            }
448
        },
449

    
450
        get_meta_keys: function() {
451
            if (this.get('metadata') && this.get('metadata')) {
452
                return _.keys(this.get('metadata'));
453
            } else {
454
                return [];
455
            }
456
        },
457

    
458
        get_owner: function() {
459
            return this.get('owner') || _.keys(synnefo.config.system_images_owners)[0];
460
        },
461

    
462
        get_owner_uuid: function() {
463
            return this.get('owner_uuid');
464
        },
465

    
466
        is_system_image: function() {
467
          var owner = this.get_owner();
468
          return _.include(_.keys(synnefo.config.system_images_owners), owner)
469
        },
470

    
471
        owned_by: function(user) {
472
          if (!user) { user = synnefo.user }
473
          return user.get_username() == this.get('owner_uuid');
474
        },
475

    
476
        display_owner: function() {
477
            var owner = this.get_owner();
478
            if (_.include(_.keys(synnefo.config.system_images_owners), owner)) {
479
                return synnefo.config.system_images_owners[owner];
480
            } else {
481
                return owner;
482
            }
483
        },
484
    
485
        get_readable_size: function() {
486
            if (this.is_deleted()) {
487
                return synnefo.config.image_deleted_size_title || '(none)';
488
            }
489
            return this.get_size() > 0 ? util.readablizeBytes(this.get_size() * 1024 * 1024) : '(none)';
490
        },
491

    
492
        get_os: function() {
493
            return this.get_meta('OS');
494
        },
495

    
496
        get_gui: function() {
497
            return this.get_meta('GUI');
498
        },
499

    
500
        get_created_users: function() {
501
            try {
502
              var users = this.get_meta('users').split(" ");
503
            } catch (err) { users = null }
504
            if (!users) {
505
                var osfamily = this.get_meta('osfamily');
506
                if (osfamily == 'windows') { 
507
                  users = ['Administrator'];
508
                } else {
509
                  users = ['root'];
510
                }
511
            }
512
            return users;
513
        },
514

    
515
        get_sort_order: function() {
516
            return parseInt(this.get('metadata') ? this.get('metadata').sortorder : -1)
517
        },
518

    
519
        get_vm: function() {
520
            var vm_id = this.get("serverRef");
521
            var vm = undefined;
522
            vm = storage.vms.get(vm_id);
523
            return vm;
524
        },
525

    
526
        is_public: function() {
527
            return this.get('is_public') == undefined ? true : this.get('is_public');
528
        },
529

    
530
        is_deleted: function() {
531
            return this.get('status') == "DELETED"
532
        },
533
        
534
        ssh_keys_paths: function() {
535
            return _.map(this.get_created_users(), function(username) {
536
                prepend = '';
537
                if (username != 'root') {
538
                    prepend = '/home'
539
                }
540
                return {'user': username, 'path': '{1}/{0}/.ssh/authorized_keys'.format(username, 
541
                                                             prepend)};
542
            });
543
        },
544

    
545
        _supports_ssh: function() {
546
            if (synnefo.config.support_ssh_os_list.indexOf(this.get_os()) > -1) {
547
                return true;
548
            }
549
            if (this.get_meta('osfamily') == 'linux') {
550
              return true;
551
            }
552
            return false;
553
        },
554

    
555
        supports: function(feature) {
556
            if (feature == "ssh") {
557
                return this._supports_ssh()
558
            }
559
            return false;
560
        },
561

    
562
        personality_data_for_keys: function(keys) {
563
            return _.map(this.ssh_keys_paths(), function(pathinfo) {
564
                var contents = '';
565
                _.each(keys, function(key){
566
                    contents = contents + key.get("content") + "\n"
567
                });
568
                contents = $.base64.encode(contents);
569

    
570
                return {
571
                    path: pathinfo.path,
572
                    contents: contents,
573
                    mode: 0600,
574
                    owner: pathinfo.user
575
                }
576
            });
577
        }
578
    });
579

    
580
    // Flavor model
581
    models.Flavor = models.Model.extend({
582
        path: 'flavors',
583

    
584
        details_string: function() {
585
            return "{0} CPU, {1}MB, {2}GB".format(this.get('cpu'), this.get('ram'), this.get('disk'));
586
        },
587

    
588
        get_disk_size: function() {
589
            return parseInt(this.get("disk") * 1024)
590
        },
591

    
592
        get_ram_size: function() {
593
            return parseInt(this.get("ram"))
594
        },
595

    
596
        get_disk_template_info: function() {
597
            var info = snf.config.flavors_disk_templates_info[this.get("disk_template")];
598
            if (!info) {
599
                info = { name: this.get("disk_template"), description:'' };
600
            }
601
            return info
602
        },
603

    
604
        disk_to_bytes: function() {
605
            return parseInt(this.get("disk")) * 1024 * 1024 * 1024;
606
        },
607

    
608
        ram_to_bytes: function() {
609
            return parseInt(this.get("ram")) * 1024 * 1024;
610
        },
611

    
612
    });
613
    
614
    models.ParamsList = function(){this.initialize.apply(this, arguments)};
615
    _.extend(models.ParamsList.prototype, bb.Events, {
616

    
617
        initialize: function(parent, param_name) {
618
            this.parent = parent;
619
            this.actions = {};
620
            this.param_name = param_name;
621
            this.length = 0;
622
        },
623
        
624
        has_action: function(action) {
625
            return this.actions[action] ? true : false;
626
        },
627
            
628
        _parse_params: function(arguments) {
629
            if (arguments.length <= 1) {
630
                return [];
631
            }
632

    
633
            var args = _.toArray(arguments);
634
            return args.splice(1);
635
        },
636

    
637
        contains: function(action, params) {
638
            params = this._parse_params(arguments);
639
            var has_action = this.has_action(action);
640
            if (!has_action) { return false };
641

    
642
            var paramsEqual = false;
643
            _.each(this.actions[action], function(action_params) {
644
                if (_.isEqual(action_params, params)) {
645
                    paramsEqual = true;
646
                }
647
            });
648
                
649
            return paramsEqual;
650
        },
651
        
652
        is_empty: function() {
653
            return _.isEmpty(this.actions);
654
        },
655

    
656
        add: function(action, params) {
657
            params = this._parse_params(arguments);
658
            if (this.contains.apply(this, arguments)) { return this };
659
            var isnew = false
660
            if (!this.has_action(action)) {
661
                this.actions[action] = [];
662
                isnew = true;
663
            };
664

    
665
            this.actions[action].push(params);
666
            this.parent.trigger("change:" + this.param_name, this.parent, this);
667
            if (isnew) {
668
                this.trigger("add", action, params);
669
            } else {
670
                this.trigger("change", action, params);
671
            }
672
            return this;
673
        },
674
        
675
        remove_all: function(action) {
676
            if (this.has_action(action)) {
677
                delete this.actions[action];
678
                this.parent.trigger("change:" + this.param_name, this.parent, this);
679
                this.trigger("remove", action);
680
            }
681
            return this;
682
        },
683

    
684
        reset: function() {
685
            this.actions = {};
686
            this.parent.trigger("change:" + this.param_name, this.parent, this);
687
            this.trigger("reset");
688
            this.trigger("remove");
689
        },
690

    
691
        remove: function(action, params) {
692
            params = this._parse_params(arguments);
693
            if (!this.has_action(action)) { return this };
694
            var index = -1;
695
            _.each(this.actions[action], _.bind(function(action_params) {
696
                if (_.isEqual(action_params, params)) {
697
                    index = this.actions[action].indexOf(action_params);
698
                }
699
            }, this));
700
            
701
            if (index > -1) {
702
                this.actions[action].splice(index, 1);
703
                if (_.isEmpty(this.actions[action])) {
704
                    delete this.actions[action];
705
                }
706
                this.parent.trigger("change:" + this.param_name, this.parent, this);
707
                this.trigger("remove", action, params);
708
            }
709
        }
710

    
711
    });
712

    
713
    // Virtualmachine model
714
    models.VM = models.Model.extend({
715

    
716
        path: 'servers',
717
        has_status: true,
718
        proxy_attrs: {
719
          'busy': [
720
            ['status', 'state'], function() {
721
              return !_.contains(['ACTIVE', 'STOPPED'], this.get('status'));
722
            }
723
          ],
724
        },
725

    
726
        initialize: function(params) {
727
            var self = this;
728
            this.ports = new Backbone.FilteredCollection(undefined, {
729
              collection: synnefo.storage.ports,
730
              collectionFilter: function(m) {
731
                return self.id == m.get('device_id')
732
            }});
733

    
734
            this.pending_firewalls = {};
735
            
736
            models.VM.__super__.initialize.apply(this, arguments);
737

    
738

    
739
            this.set({state: params.status || "ERROR"});
740
            this.log = new snf.logging.logger("VM " + this.id);
741
            this.pending_action = undefined;
742
            
743
            // init stats parameter
744
            this.set({'stats': undefined}, {silent: true});
745
            // defaults to not update the stats
746
            // each view should handle this vm attribute 
747
            // depending on if it displays stat images or not
748
            this.do_update_stats = false;
749
            
750
            // interval time
751
            // this will dynamicaly change if the server responds that
752
            // images get refreshed on different intervals
753
            this.stats_update_interval = synnefo.config.STATS_INTERVAL || 5000;
754
            this.stats_available = false;
755

    
756
            // initialize interval
757
            this.init_stats_intervals(this.stats_update_interval);
758
            
759
            // handle progress message on instance change
760
            this.bind("change", _.bind(this.update_status_message, this));
761
            this.bind("change:task_state", _.bind(this.update_status, this));
762
            // force update of progress message
763
            this.update_status_message(true);
764
            
765
            // default values
766
            this.bind("change:state", _.bind(function(){
767
                if (this.state() == "DESTROY") { 
768
                    this.handle_destroy() 
769
                }
770
            }, this));
771

    
772
        },
773

    
774
        status: function(st) {
775
            if (!st) { return this.get("status")}
776
            return this.set({status:st});
777
        },
778
        
779
        update_status: function() {
780
            this.set_status(this.get('status'));
781
        },
782

    
783
        set_status: function(st) {
784
            var new_state = this.state_for_api_status(st);
785
            var transition = false;
786

    
787
            if (this.state() != new_state) {
788
                if (models.VM.STATES_TRANSITIONS[this.state()]) {
789
                    transition = this.state();
790
                }
791
            }
792
            
793
            // call it silently to avoid double change trigger
794
            var state = this.state_for_api_status(st);
795
            this.set({'state': state}, {silent: true});
796
            
797
            // trigger transition
798
            if (transition && models.VM.TRANSITION_STATES.indexOf(new_state) == -1) { 
799
                this.trigger("transition", {from:transition, to:new_state}) 
800
            };
801
            return st;
802
        },
803
            
804
        get_diagnostics: function(success) {
805
            this.__make_api_call(this.get_diagnostics_url(),
806
                                 "read", // create so that sync later uses POST to make the call
807
                                 null, // payload
808
                                 function(data) {
809
                                     success(data);
810
                                 },  
811
                                 null, 'diagnostics');
812
        },
813

    
814
        has_diagnostics: function() {
815
            return this.get("diagnostics") && this.get("diagnostics").length;
816
        },
817

    
818
        get_progress_info: function() {
819
            // details about progress message
820
            // contains a list of diagnostic messages
821
            return this.get("status_messages");
822
        },
823

    
824
        get_status_message: function() {
825
            return this.get('status_message');
826
        },
827
        
828
        // extract status message from diagnostics
829
        status_message_from_diagnostics: function(diagnostics) {
830
            var valid_sources_map = synnefo.config.diagnostics_status_messages_map;
831
            var valid_sources = valid_sources_map[this.get('status')];
832
            if (!valid_sources) { return null };
833
            
834
            // filter messsages based on diagnostic source
835
            var messages = _.filter(diagnostics, function(diag) {
836
                return valid_sources.indexOf(diag.source) > -1;
837
            });
838

    
839
            var msg = messages[0];
840
            if (msg) {
841
              var message = msg.message;
842
              var message_tpl = snf.config.diagnostic_messages_tpls[msg.source];
843

    
844
              if (message_tpl) {
845
                  message = message_tpl.replace('MESSAGE', msg.message);
846
              }
847
              return message;
848
            }
849
            
850
            // no message to display, but vm in build state, display
851
            // finalizing message.
852
            if (this.is_building() == 'BUILD') {
853
                return synnefo.config.BUILDING_MESSAGES['FINAL'];
854
            }
855
            return null;
856
        },
857

    
858
        update_status_message: function(force) {
859
            // update only if one of the specified attributes has changed
860
            if (
861
              !this.keysChanged(['diagnostics', 'progress', 'status', 'state'])
862
                && !force
863
            ) { return };
864
            
865
            // if user requested to destroy the vm set the appropriate 
866
            // message.
867
            if (this.get('state') == "DESTROY") { 
868
                message = "Terminating..."
869
                this.set({status_message: message})
870
                return;
871
            }
872
            
873
            // set error message, if vm has diagnostic message display it as
874
            // progress message
875
            if (this.in_error_state()) {
876
                var d = this.get('diagnostics');
877
                if (d && d.length) {
878
                    var message = this.status_message_from_diagnostics(d);
879
                    this.set({status_message: message});
880
                } else {
881
                    this.set({status_message: null});
882
                }
883
                return;
884
            }
885
            
886
            // identify building status message
887
            if (this.is_building()) {
888
                var self = this;
889
                var success = function(msg) {
890
                    self.set({status_message: msg});
891
                }
892
                this.get_building_status_message(success);
893
                return;
894
            }
895

    
896
            this.set({status_message:null});
897
        },
898
            
899
        // get building status message. Asynchronous function since it requires
900
        // access to vm image.
901
        get_building_status_message: function(callback) {
902
            // no progress is set, vm is in initial build status
903
            var progress = this.get("progress");
904
            if (progress == 0 || !progress) {
905
                return callback(BUILDING_MESSAGES['INIT']);
906
            }
907
            
908
            // vm has copy progress, display copy percentage
909
            if (progress > 0 && progress <= 99) {
910
                this.get_copy_details(true, undefined, _.bind(
911
                    function(details){
912
                        callback(BUILDING_MESSAGES['COPY'].format(details.copy, 
913
                                                           details.size, 
914
                                                           details.progress));
915
                }, this));
916
                return;
917
            }
918

    
919
            // copy finished display FINAL message or identify status message
920
            // from diagnostics.
921
            if (progress >= 100) {
922
                if (!this.has_diagnostics()) {
923
                        callback(BUILDING_MESSAGES['FINAL']);
924
                } else {
925
                        var d = this.get("diagnostics");
926
                        var msg = this.status_message_from_diagnostics(d);
927
                        if (msg) {
928
                              callback(msg);
929
                        }
930
                }
931
            }
932
        },
933

    
934
        get_copy_details: function(human, image, callback) {
935
            var human = human || false;
936
            var image = image || this.get_image(_.bind(function(image){
937
                var progress = this.get('progress');
938
                var size = image.get_size();
939
                var size_copied = (size * progress / 100).toFixed(2);
940
                
941
                if (human) {
942
                    size = util.readablizeBytes(size*1024*1024);
943
                    size_copied = util.readablizeBytes(size_copied*1024*1024);
944
                }
945

    
946
                callback({'progress': progress, 'size': size, 'copy': size_copied})
947
            }, this));
948
        },
949

    
950
        start_stats_update: function(force_if_empty) {
951
            var prev_state = this.do_update_stats;
952

    
953
            this.do_update_stats = true;
954
            
955
            // fetcher initialized ??
956
            if (!this.stats_fetcher) {
957
                this.init_stats_intervals();
958
            }
959

    
960

    
961
            // fetcher running ???
962
            if (!this.stats_fetcher.running || !prev_state) {
963
                this.stats_fetcher.start();
964
            }
965

    
966
            if (force_if_empty && this.get("stats") == undefined) {
967
                this.update_stats(true);
968
            }
969
        },
970

    
971
        stop_stats_update: function(stop_calls) {
972
            this.do_update_stats = false;
973

    
974
            if (stop_calls) {
975
                this.stats_fetcher.stop();
976
            }
977
        },
978

    
979
        // clear and reinitialize update interval
980
        init_stats_intervals: function (interval) {
981
            this.stats_fetcher = this.get_stats_fetcher(this.stats_update_interval);
982
            this.stats_fetcher.start();
983
        },
984
        
985
        get_stats_fetcher: function(timeout) {
986
            var cb = _.bind(function(data){
987
                this.update_stats();
988
            }, this);
989
            var fetcher = new snf.api.updateHandler({'callback': cb, interval: timeout, id:'stats'});
990
            return fetcher;
991
        },
992

    
993
        // do the api call
994
        update_stats: function(force) {
995
            // do not update stats if flag not set
996
            if ((!this.do_update_stats && !force) || this.updating_stats) {
997
                return;
998
            }
999

    
1000
            // make the api call, execute handle_stats_update on sucess
1001
            // TODO: onError handler ???
1002
            stats_url = this.url() + "/stats";
1003
            this.updating_stats = true;
1004
            this.sync("read", this, {
1005
                handles_error:true, 
1006
                url: stats_url, 
1007
                refresh:true, 
1008
                success: _.bind(this.handle_stats_update, this),
1009
                error: _.bind(this.handle_stats_error, this),
1010
                complete: _.bind(function(){this.updating_stats = false;}, this),
1011
                critical: false,
1012
                log_error: false,
1013
                skips_timeouts: true
1014
            });
1015
        },
1016

    
1017
        get_attachment: function(id) {
1018
          var attachment = undefined;
1019
          _.each(this.get("attachments"), function(a) {
1020
            if (a.id == id) {
1021
              attachment = a;
1022
            }
1023
          });
1024
          return attachment
1025
        },
1026

    
1027
        _set_stats: function(stats) {
1028
            var silent = silent === undefined ? false : silent;
1029
            // unavailable stats while building
1030
            if (this.get("status") == "BUILD") { 
1031
                this.stats_available = false;
1032
            } else { this.stats_available = true; }
1033

    
1034
            if (this.get("status") == "DESTROY") { this.stats_available = false; }
1035
            
1036
            this.set({stats: stats}, {silent:true});
1037
            this.trigger("stats:update", stats);
1038
        },
1039

    
1040
        unbind: function() {
1041
            models.VM.__super__.unbind.apply(this, arguments);
1042
        },
1043
        
1044
        can_connect: function() {
1045
          return _.contains(["ACTIVE", "STOPPED"], this.get("status"))
1046
        },
1047

    
1048
        can_disconnect: function() {
1049
          return _.contains(["ACTIVE", "STOPPED"], this.get("status"))
1050
        },
1051

    
1052
        can_resize: function() {
1053
          return this.get('status') == 'STOPPED';
1054
        },
1055

    
1056
        handle_stats_error: function() {
1057
            stats = {};
1058
            _.each(['cpuBar', 'cpuTimeSeries', 'netBar', 'netTimeSeries'], function(k) {
1059
                stats[k] = false;
1060
            });
1061

    
1062
            this.set({'stats': stats});
1063
        },
1064

    
1065
        // this method gets executed after a successful vm stats api call
1066
        handle_stats_update: function(data) {
1067
            var self = this;
1068
            // avoid browser caching
1069
            
1070
            if (data.stats && _.size(data.stats) > 0) {
1071
                var ts = $.now();
1072
                var stats = data.stats;
1073
                var images_loaded = 0;
1074
                var images = {};
1075

    
1076
                function check_images_loaded() {
1077
                    images_loaded++;
1078

    
1079
                    if (images_loaded == 4) {
1080
                        self._set_stats(images);
1081
                    }
1082
                }
1083
                _.each(['cpuBar', 'cpuTimeSeries', 'netBar', 'netTimeSeries'], function(k) {
1084
                    
1085
                    stats[k] = stats[k] + "?_=" + ts;
1086
                    
1087
                    var stat = k.slice(0,3);
1088
                    var type = k.slice(3,6) == "Bar" ? "bar" : "time";
1089
                    var img = $("<img />");
1090
                    var val = stats[k];
1091
                    
1092
                    // load stat image to a temporary dom element
1093
                    // update model stats on image load/error events
1094
                    img.load(function() {
1095
                        images[k] = val;
1096
                        check_images_loaded();
1097
                    });
1098

    
1099
                    img.error(function() {
1100
                        images[stat + type] = false;
1101
                        check_images_loaded();
1102
                    });
1103

    
1104
                    img.attr({'src': stats[k]});
1105
                })
1106
                data.stats = stats;
1107
            }
1108

    
1109
            // do we need to change the interval ??
1110
            if (data.stats.refresh * 1000 != this.stats_update_interval) {
1111
                this.stats_update_interval = data.stats.refresh * 1000;
1112
                this.stats_fetcher.interval = this.stats_update_interval;
1113
                this.stats_fetcher.maximum_interval = this.stats_update_interval;
1114
                this.stats_fetcher.stop();
1115
                this.stats_fetcher.start(false);
1116
            }
1117
        },
1118

    
1119
        // helper method that sets the do_update_stats
1120
        // in the future this method could also make an api call
1121
        // immediaetly if needed
1122
        enable_stats_update: function() {
1123
            this.do_update_stats = true;
1124
        },
1125
        
1126
        handle_destroy: function() {
1127
            this.stats_fetcher.stop();
1128
        },
1129

    
1130
        require_reboot: function() {
1131
            if (this.is_active()) {
1132
                this.set({'reboot_required': true});
1133
            }
1134
        },
1135
        
1136
        set_pending_action: function(data) {
1137
            this.pending_action = data;
1138
            return data;
1139
        },
1140

    
1141
        // machine has pending action
1142
        update_pending_action: function(action, force) {
1143
            this.set({pending_action: action});
1144
        },
1145

    
1146
        clear_pending_action: function() {
1147
            this.set({pending_action: undefined});
1148
        },
1149

    
1150
        has_pending_action: function() {
1151
            return this.get("pending_action") ? this.get("pending_action") : false;
1152
        },
1153
        
1154
        // machine is active
1155
        is_active: function() {
1156
            return models.VM.ACTIVE_STATES.indexOf(this.state()) > -1;
1157
        },
1158
        
1159
        // machine is building 
1160
        is_building: function() {
1161
            return models.VM.BUILDING_STATES.indexOf(this.state()) > -1;
1162
        },
1163
        
1164
        is_rebooting: function() {
1165
            return this.state() == 'REBOOT';
1166
        },
1167

    
1168
        in_error_state: function() {
1169
            return this.state() === "ERROR"
1170
        },
1171

    
1172
        // user can connect to machine
1173
        is_connectable: function() {
1174
            return models.VM.CONNECT_STATES.indexOf(this.state()) > -1;
1175
        },
1176
        
1177
        remove_meta: function(key, complete, error) {
1178
            var url = this.api_path() + "/metadata/" + key;
1179
            this.api_call(url, "delete", undefined, complete, error);
1180
        },
1181

    
1182
        save_meta: function(meta, complete, error) {
1183
            var url = this.api_path() + "/metadata/" + meta.key;
1184
            var payload = {meta:{}};
1185
            payload.meta[meta.key] = meta.value;
1186
            payload._options = {
1187
                critical:false, 
1188
                error_params: {
1189
                    title: "Machine metadata error",
1190
                    extra_details: {"Machine id": this.id}
1191
            }};
1192

    
1193
            this.api_call(url, "update", payload, complete, error);
1194
        },
1195

    
1196

    
1197
        // update/get the state of the machine
1198
        state: function() {
1199
            var args = slice.call(arguments);
1200
                
1201
            if (args.length > 0 && models.VM.STATES.indexOf(args[0]) > -1) {
1202
                this.set({'state': args[0]});
1203
            }
1204

    
1205
            return this.get('state');
1206
        },
1207
        
1208
        // get the state that the api status corresponds to
1209
        state_for_api_status: function(status) {
1210
            return this.state_transition(this.state(), status);
1211
        },
1212
        
1213
        // get transition state for the corresponging api status
1214
        state_transition: function(state, new_status) {
1215
            var statuses = models.VM.STATES_TRANSITIONS[state];
1216
            if (statuses) {
1217
                if (statuses.indexOf(new_status) > -1) {
1218
                    return new_status;
1219
                } else {
1220
                    return state;
1221
                }
1222
            } else {
1223
                return new_status;
1224
            }
1225
        },
1226
        
1227
        // the current vm state is a transition state
1228
        in_transition: function() {
1229
            return models.VM.TRANSITION_STATES.indexOf(this.state()) > -1 || 
1230
                models.VM.TRANSITION_STATES.indexOf(this.get('status')) > -1;
1231
        },
1232
        
1233
        // get image object
1234
        get_image: function(callback) {
1235
            if (callback == undefined) { callback = function(){} }
1236
            var image = storage.images.get(this.get('image'));
1237
            if (!image) {
1238
                storage.images.update_unknown_id(this.get('image'), callback);
1239
                return;
1240
            }
1241
            callback(image);
1242
            return image;
1243
        },
1244
        
1245
        // get flavor object
1246
        get_flavor: function() {
1247
            var flv = storage.flavors.get(this.get('flavor'));
1248
            if (!flv) {
1249
                storage.flavors.update_unknown_id(this.get('flavor'));
1250
                flv = storage.flavors.get(this.get('flavor'));
1251
            }
1252
            return flv;
1253
        },
1254

    
1255
        get_resize_flavors: function() {
1256
          var vm_flavor = this.get_flavor();
1257
          var flavors = synnefo.storage.flavors.filter(function(f){
1258
              return f.get('disk_template') ==
1259
              vm_flavor.get('disk_template') && f.get('disk') ==
1260
              vm_flavor.get('disk');
1261
          });
1262
          return flavors;
1263
        },
1264

    
1265
        get_flavor_quotas: function() {
1266
          var flavor = this.get_flavor();
1267
          return {
1268
            cpu: flavor.get('cpu') + 1, 
1269
            ram: flavor.get_ram_size() + 1, 
1270
            disk:flavor.get_disk_size() + 1
1271
          }
1272
        },
1273

    
1274
        get_meta: function(key, deflt) {
1275
            if (this.get('metadata') && this.get('metadata')) {
1276
                if (!this.get('metadata')[key]) { return deflt }
1277
                return _.escape(this.get('metadata')[key]);
1278
            } else {
1279
                return deflt;
1280
            }
1281
        },
1282

    
1283
        get_meta_keys: function() {
1284
            if (this.get('metadata') && this.get('metadata')) {
1285
                return _.keys(this.get('metadata'));
1286
            } else {
1287
                return [];
1288
            }
1289
        },
1290
        
1291
        // get metadata OS value
1292
        get_os: function() {
1293
            var image = this.get_image();
1294
            return this.get_meta('OS') || (image ? 
1295
                                            image.get_os() || "okeanos" : "okeanos");
1296
        },
1297

    
1298
        get_gui: function() {
1299
            return this.get_meta('GUI');
1300
        },
1301
        
1302
        get_hostname: function() {
1303
          var hostname = this.get_meta('hostname') || this.get('fqdn');
1304
          if (!hostname) {
1305
            if (synnefo.config.vm_hostname_format) {
1306
              hostname = synnefo.config.vm_hostname_format.format(this.id);
1307
            } else {
1308
              hostname = 'unknown';
1309
            }
1310
          }
1311
          return hostname;
1312
        },
1313

    
1314
        // get actions that the user can execute
1315
        // depending on the vm state/status
1316
        get_available_actions: function() {
1317
            return models.VM.AVAILABLE_ACTIONS[this.state()];
1318
        },
1319

    
1320
        set_profile: function(profile, net_id) {
1321
        },
1322
        
1323
        // call rename api
1324
        rename: function(new_name) {
1325
            //this.set({'name': new_name});
1326
            this.sync("update", this, {
1327
                critical: true,
1328
                data: {
1329
                    'server': {
1330
                        'name': new_name
1331
                    }
1332
                }, 
1333
                success: _.bind(function(){
1334
                    snf.api.trigger("call");
1335
                }, this)
1336
            });
1337
        },
1338
        
1339
        get_console_url: function(data) {
1340
            var url_params = {
1341
                machine: this.get("name"),
1342
                host_ip: this.get_hostname(),
1343
                host_ip_v6: this.get_hostname(),
1344
                host: data.host,
1345
                port: data.port,
1346
                password: data.password
1347
            }
1348
            return synnefo.config.ui_console_url + '?' + $.param(url_params);
1349
        },
1350
        
1351
        set_firewall: function(nic, value, success_cb, error_cb) {
1352
          var success = function() { success_cb() }
1353
          var error = function() { error_cb() }
1354
          var data = {'nic': nic.id, 'profile': value, 'display': true};
1355
          var url = this.url() + "/action";
1356
          //var params = {skip_api_error: false, display: true};
1357
          this.call('firewallProfile', success, error, data);
1358
        },
1359

    
1360
        connect_floating_ip: function(ip, cb) {
1361
          this.set({'status': 'CONNECTING'});
1362
          synnefo.storage.ports.create({
1363
            port: {
1364
              network_id: ip.get('floating_network_id'),
1365
              device_id: this.id,
1366
              fixed_ips: [{'ip_address': ip.get('floating_ip_address')}]
1367
            }
1368
          }, {complete: cb, skip_api_error: false})
1369
        },
1370

    
1371
        // action helper
1372
        call: function(action_name, success, error, params) {
1373
            var id_param = [this.id];
1374
            
1375
            params = params || {};
1376
            success = success || function() {};
1377
            error = error || function() {};
1378

    
1379
            var self = this;
1380

    
1381
            switch(action_name) {
1382
                case 'start':
1383
                    this.__make_api_call(this.get_action_url(), // vm actions url
1384
                                         "create", // create so that sync later uses POST to make the call
1385
                                         {start:{}}, // payload
1386
                                         function() {
1387
                                             // set state after successful call
1388
                                             self.state("START"); 
1389
                                             success.apply(this, arguments);
1390
                                             snf.api.trigger("call");
1391
                                         },  
1392
                                         error, 'start', params);
1393
                    break;
1394
                case 'reboot':
1395
                    this.__make_api_call(this.get_action_url(), // vm actions url
1396
                                         "create", // create so that sync later uses POST to make the call
1397
                                         {reboot:{}}, // payload
1398
                                         function() {
1399
                                             // set state after successful call
1400
                                             self.state("REBOOT"); 
1401
                                             success.apply(this, arguments)
1402
                                             snf.api.trigger("call");
1403
                                             self.set({'reboot_required': false});
1404
                                         },
1405
                                         error, 'reboot', params);
1406
                    break;
1407
                case 'shutdown':
1408
                    this.__make_api_call(this.get_action_url(), // vm actions url
1409
                                         "create", // create so that sync later uses POST to make the call
1410
                                         {shutdown:{}}, // payload
1411
                                         function() {
1412
                                             // set state after successful call
1413
                                             self.state("SHUTDOWN"); 
1414
                                             success.apply(this, arguments)
1415
                                             snf.api.trigger("call");
1416
                                         },  
1417
                                         error, 'shutdown', params);
1418
                    break;
1419
                case 'console':
1420
                    this.__make_api_call(this.url() + "/action", "create", 
1421
                                         {'console': {'type':'vnc'}}, 
1422
                                         function(data) {
1423
                        var cons_data = data.console;
1424
                        success.apply(this, [cons_data]);
1425
                    }, undefined, 'console', params)
1426
                    break;
1427
                case 'destroy':
1428
                    this.__make_api_call(this.url(), // vm actions url
1429
                                         "delete", // create so that sync later uses POST to make the call
1430
                                         undefined, // payload
1431
                                         function() {
1432
                                             // set state after successful call
1433
                                             self.state('DESTROY');
1434
                                             success.apply(this, arguments);
1435
                                             synnefo.storage.quotas.get('cyclades.vm').decrease();
1436

    
1437
                                         },  
1438
                                         error, 'destroy', params);
1439
                    break;
1440
                case 'resize':
1441
                    this.__make_api_call(this.get_action_url(), // vm actions url
1442
                                         "create", // create so that sync later uses POST to make the call
1443
                                         {resize: {flavorRef:params.flavor}}, // payload
1444
                                         function() {
1445
                                             self.state('RESIZE');
1446
                                             success.apply(this, arguments);
1447
                                             snf.api.trigger("call");
1448
                                         },  
1449
                                         error, 'resize', params);
1450
                    break;
1451
                case 'destroy':
1452
                    this.__make_api_call(this.url(), // vm actions url
1453
                                         "delete", // create so that sync later uses POST to make the call
1454
                                         undefined, // payload
1455
                                         function() {
1456
                                             // set state after successful call
1457
                                             self.state('DESTROY');
1458
                                             success.apply(this, arguments);
1459
                                             synnefo.storage.quotas.get('cyclades.vm').decrease();
1460

    
1461
                                         },  
1462
                                         error, 'destroy', params);
1463
                    break;
1464
                case 'firewallProfile':
1465
                    this.__make_api_call(this.get_action_url(), // vm actions url
1466
                                         "create",
1467
                                         {firewallProfile:{nic:params.nic, profile:params.profile}}, // payload
1468
                                         function() {
1469
                                             success.apply(this, arguments);
1470
                                             snf.api.trigger("call");
1471
                                         },  
1472
                                         error, 'start', params);
1473
                    break;
1474
                default:
1475
                    throw "Invalid VM action ("+action_name+")";
1476
            }
1477
        },
1478
        
1479
        __make_api_call: function(url, method, data, success, error, action, 
1480
                                  extra_params) {
1481
            var self = this;
1482
            error = error || function(){};
1483
            success = success || function(){};
1484

    
1485
            var params = {
1486
                url: url,
1487
                data: data,
1488
                success: function() { 
1489
                  self.handle_action_succeed.apply(self, arguments); 
1490
                  success.apply(this, arguments)
1491
                },
1492
                error: function() { 
1493
                  self.handle_action_fail.apply(self, arguments);
1494
                  error.apply(this, arguments)
1495
                },
1496
                error_params: { ns: "Machines actions", 
1497
                                title: "'" + this.get("name") + "'" + " " + action + " failed", 
1498
                                extra_details: {
1499
                                  'Machine ID': this.id, 
1500
                                  'URL': url, 
1501
                                  'Action': action || "undefined" },
1502
                                allow_reload: false
1503
                              },
1504
                display: false,
1505
                critical: false
1506
            }
1507
            _.extend(params, extra_params);
1508
            this.sync(method, this, params);
1509
        },
1510

    
1511
        handle_action_succeed: function() {
1512
            this.trigger("action:success", arguments);
1513
        },
1514
        
1515
        reset_action_error: function() {
1516
            this.action_error = false;
1517
            this.trigger("action:fail:reset", this.action_error);
1518
        },
1519

    
1520
        handle_action_fail: function() {
1521
            this.action_error = arguments;
1522
            this.trigger("action:fail", arguments);
1523
        },
1524

    
1525
        get_action_url: function(name) {
1526
            return this.url() + "/action";
1527
        },
1528

    
1529
        get_diagnostics_url: function() {
1530
            return this.url() + "/diagnostics";
1531
        },
1532

    
1533
        get_users: function() {
1534
            var image;
1535
            var users = [];
1536
            try {
1537
              var users = this.get_meta('users').split(" ");
1538
            } catch (err) { users = null }
1539
            if (!users) {
1540
              image = this.get_image();
1541
              if (image) {
1542
                  users = image.get_created_users();
1543
              }
1544
            }
1545
            return users;
1546
        },
1547

    
1548
        get_connection_info: function(host_os, success, error) {
1549
            var url = synnefo.config.ui_connect_url;
1550
            var users = this.get_users();
1551

    
1552
            params = {
1553
                ip_address: this.get_hostname(),
1554
                hostname: this.get_hostname(),
1555
                os: this.get_os(),
1556
                host_os: host_os,
1557
                srv: this.id
1558
            }
1559
            
1560
            if (users.length) { 
1561
                params['username'] = _.last(users)
1562
            }
1563

    
1564
            url = url + "?" + $.param(params);
1565

    
1566
            var ajax = snf.api.sync("read", undefined, { url: url, 
1567
                                                         error:error, 
1568
                                                         success:success, 
1569
                                                         handles_error:1});
1570
        }
1571
    });
1572
    
1573
    models.VM.ACTIONS = [
1574
        'start',
1575
        'shutdown',
1576
        'reboot',
1577
        'console',
1578
        'destroy',
1579
        'resize'
1580
    ]
1581

    
1582
    models.VM.TASK_STATE_STATUS_MAP = {
1583
      'BULDING': 'BUILD',
1584
      'REBOOTING': 'REBOOT',
1585
      'STOPPING': 'SHUTDOWN',
1586
      'STARTING': 'START',
1587
      'RESIZING': 'RESIZE',
1588
      'CONNECTING': 'CONNECT',
1589
      'DISCONNECTING': 'DISCONNECT',
1590
      'DESTROYING': 'DESTROY'
1591
    }
1592

    
1593
    models.VM.AVAILABLE_ACTIONS = {
1594
        'UNKNWON'       : ['destroy'],
1595
        'BUILD'         : ['destroy'],
1596
        'REBOOT'        : ['destroy'],
1597
        'STOPPED'       : ['start', 'destroy', 'resize'],
1598
        'ACTIVE'        : ['shutdown', 'destroy', 'reboot', 'console', 'resize'],
1599
        'ERROR'         : ['destroy'],
1600
        'DELETED'       : ['destroy'],
1601
        'DESTROY'       : ['destroy'],
1602
        'SHUTDOWN'      : ['destroy'],
1603
        'START'         : ['destroy'],
1604
        'CONNECT'       : ['destroy'],
1605
        'DISCONNECT'    : ['destroy'],
1606
        'RESIZE'        : ['destroy']
1607
    }
1608
    
1609
    models.VM.AVAILABLE_ACTIONS_INACTIVE = {
1610
      'resize': ['ACTIVE']
1611
    }
1612

    
1613
    // api status values
1614
    models.VM.STATUSES = [
1615
        'UNKNWON',
1616
        'BUILD',
1617
        'REBOOT',
1618
        'STOPPED',
1619
        'ACTIVE',
1620
        'ERROR',
1621
        'DELETED',
1622
        'RESIZE'
1623
    ]
1624

    
1625
    // api status values
1626
    models.VM.CONNECT_STATES = [
1627
        'ACTIVE',
1628
        'REBOOT',
1629
        'SHUTDOWN'
1630
    ]
1631

    
1632
    // vm states
1633
    models.VM.STATES = models.VM.STATUSES.concat([
1634
        'DESTROY',
1635
        'SHUTDOWN',
1636
        'START',
1637
        'CONNECT',
1638
        'DISCONNECT',
1639
        'FIREWALL',
1640
        'RESIZE'
1641
    ]);
1642
    
1643
    models.VM.STATES_TRANSITIONS = {
1644
        'DESTROY' : ['DELETED'],
1645
        'SHUTDOWN': ['ERROR', 'STOPPED', 'DESTROY'],
1646
        'STOPPED': ['ERROR', 'ACTIVE', 'DESTROY'],
1647
        'ACTIVE': ['ERROR', 'STOPPED', 'REBOOT', 'SHUTDOWN', 'DESTROY'],
1648
        'START': ['ERROR', 'ACTIVE', 'DESTROY'],
1649
        'REBOOT': ['ERROR', 'ACTIVE', 'STOPPED', 'DESTROY'],
1650
        'BUILD': ['ERROR', 'ACTIVE', 'DESTROY'],
1651
        'RESIZE': ['ERROR', 'STOPPED']
1652
    }
1653

    
1654
    models.VM.TRANSITION_STATES = [
1655
        'DESTROY',
1656
        'SHUTDOWN',
1657
        'START',
1658
        'REBOOT',
1659
        'BUILD',
1660
        'RESIZE'
1661
    ]
1662

    
1663
    models.VM.ACTIVE_STATES = [
1664
        'BUILD', 'REBOOT', 'ACTIVE',
1665
        'SHUTDOWN', 'CONNECT', 'DISCONNECT'
1666
    ]
1667

    
1668
    models.VM.BUILDING_STATES = [
1669
        'BUILD'
1670
    ]
1671

    
1672
    models.Images = models.Collection.extend({
1673
        model: models.Image,
1674
        path: 'images',
1675
        details: true,
1676
        noUpdate: true,
1677
        supportIncUpdates: false,
1678
        meta_keys_as_attrs: ["OS", "description", "kernel", "size", "GUI"],
1679
        meta_labels: {},
1680
        read_method: 'read',
1681

    
1682
        // update collection model with id passed
1683
        // making a direct call to the image
1684
        // api url
1685
        update_unknown_id: function(id, callback) {
1686
            var url = getUrl.call(this) + "/" + id;
1687
            this.api_call(this.path + "/" + id, this.read_method, {
1688
              _options:{
1689
                async:true, 
1690
                skip_api_error:true}
1691
              }, undefined, 
1692
            _.bind(function() {
1693
                if (!this.get(id)) {
1694
                            if (this.fallback_service) {
1695
                        // if current service has fallback_service attribute set
1696
                        // use this service to retrieve the missing image model
1697
                        var tmpservice = new this.fallback_service();
1698
                        tmpservice.update_unknown_id(id, _.bind(function(img){
1699
                            img.attributes.status = "DELETED";
1700
                            this.add(img.attributes);
1701
                            callback(this.get(id));
1702
                        }, this));
1703
                    } else {
1704
                        var title = synnefo.config.image_deleted_title || 'Deleted';
1705
                        // else add a dummy DELETED state image entry
1706
                        this.add({id:id, name:title, size:-1, 
1707
                                  progress:100, status:"DELETED"});
1708
                        callback(this.get(id));
1709
                    }   
1710
                } else {
1711
                    callback(this.get(id));
1712
                }
1713
            }, this), _.bind(function(image, msg, xhr) {
1714
                if (!image) {
1715
                    var title = synnefo.config.image_deleted_title || 'Deleted';
1716
                    this.add({id:id, name:title, size:-1, 
1717
                              progress:100, status:"DELETED"});
1718
                    callback(this.get(id));
1719
                    return;
1720
                }
1721
                var img_data = this._read_image_from_request(image, msg, xhr);
1722
                this.add(img_data);
1723
                callback(this.get(id));
1724
            }, this));
1725
        },
1726

    
1727
        _read_image_from_request: function(image, msg, xhr) {
1728
            return image.image;
1729
        },
1730

    
1731
        parse: function (resp, xhr) {
1732
            var parsed = _.map(resp.images, _.bind(this.parse_meta, this));
1733
            parsed = this.fill_owners(parsed);
1734
            return parsed;
1735
        },
1736

    
1737
        fill_owners: function(images) {
1738
            // do translate uuid->displayname if needed
1739
            // store display name in owner attribute for compatibility
1740
            var uuids = [];
1741

    
1742
            var images = _.map(images, function(img, index) {
1743
                if (synnefo.config.translate_uuids) {
1744
                    uuids.push(img['owner']);
1745
                }
1746
                img['owner_uuid'] = img['owner'];
1747
                return img;
1748
            });
1749
            
1750
            if (uuids.length > 0) {
1751
                var handle_results = function(data) {
1752
                    _.each(images, function (img) {
1753
                        img['owner'] = data.uuid_catalog[img['owner_uuid']];
1754
                    });
1755
                }
1756
                // notice the async false
1757
                var uuid_map = this.translate_uuids(uuids, false, 
1758
                                                    handle_results)
1759
            }
1760
            return images;
1761
        },
1762

    
1763
        translate_uuids: function(uuids, async, cb) {
1764
            var url = synnefo.config.user_catalog_url;
1765
            var data = JSON.stringify({'uuids': uuids});
1766
          
1767
            // post to user_catalogs api
1768
            snf.api.sync('create', undefined, {
1769
                url: url,
1770
                data: data,
1771
                async: async,
1772
                success:  cb
1773
            });
1774
        },
1775

    
1776
        get_meta_key: function(img, key) {
1777
            if (img.metadata && img.metadata && img.metadata[key]) {
1778
                return _.escape(img.metadata[key]);
1779
            }
1780
            return undefined;
1781
        },
1782

    
1783
        comparator: function(img) {
1784
            return -img.get_sort_order("sortorder") || 1000 * img.id;
1785
        },
1786

    
1787
        parse_meta: function(img) {
1788
            _.each(this.meta_keys_as_attrs, _.bind(function(key){
1789
                if (img[key]) { return };
1790
                img[key] = this.get_meta_key(img, key) || "";
1791
            }, this));
1792
            return img;
1793
        },
1794

    
1795
        active: function() {
1796
            return this.filter(function(img){return img.get('status') != "DELETED"});
1797
        },
1798

    
1799
        predefined: function() {
1800
            return _.filter(this.active(), function(i) { return !i.get("serverRef")});
1801
        },
1802
        
1803
        fetch_for_type: function(type, complete, error) {
1804
            this.fetch({update:true, 
1805
                        success: complete, 
1806
                        error: error, 
1807
                        skip_api_error: true });
1808
        },
1809
        
1810
        get_images_for_type: function(type) {
1811
            if (this['get_{0}_images'.format(type)]) {
1812
                return this['get_{0}_images'.format(type)]();
1813
            }
1814

    
1815
            return this.active();
1816
        },
1817

    
1818
        update_images_for_type: function(type, onStart, onComplete, onError, force_load) {
1819
            var load = false;
1820
            error = onError || function() {};
1821
            function complete(collection) { 
1822
                onComplete(collection.get_images_for_type(type)); 
1823
            }
1824
            
1825
            // do we need to fetch/update current collection entries
1826
            if (load) {
1827
                onStart();
1828
                this.fetch_for_type(type, complete, error);
1829
            } else {
1830
                // fallback to complete
1831
                complete(this);
1832
            }
1833
        }
1834
    })
1835

    
1836
    models.Flavors = models.Collection.extend({
1837
        model: models.Flavor,
1838
        path: 'flavors',
1839
        details: true,
1840
        noUpdate: true,
1841
        supportIncUpdates: false,
1842
        // update collection model with id passed
1843
        // making a direct call to the flavor
1844
        // api url
1845
        update_unknown_id: function(id, callback) {
1846
            var url = getUrl.call(this) + "/" + id;
1847
            this.api_call(this.path + "/" + id, "read", {_options:{async:false, skip_api_error:true}}, undefined, 
1848
            _.bind(function() {
1849
                this.add({id:id, cpu:"Unknown", ram:"Unknown", disk:"Unknown", name: "Unknown", status:"DELETED"})
1850
            }, this), _.bind(function(flv) {
1851
                if (!flv.flavor.status) { flv.flavor.status = "DELETED" };
1852
                this.add(flv.flavor);
1853
            }, this));
1854
        },
1855

    
1856
        parse: function (resp, xhr) {
1857
            return _.map(resp.flavors, function(o) {
1858
              o.cpu = o['vcpus'];
1859
              o.disk_template = o['SNF:disk_template'];
1860
              return o
1861
            });
1862
        },
1863

    
1864
        comparator: function(flv) {
1865
            return flv.get("disk") * flv.get("cpu") * flv.get("ram");
1866
        },
1867
          
1868
        unavailable_values_for_quotas: function(quotas, flavors, extra) {
1869
            var flavors = flavors || this.active();
1870
            var index = {cpu:[], disk:[], ram:[]};
1871
            var extra = extra == undefined ? {cpu:0, disk:0, ram:0} : extra;
1872
            
1873
            _.each(flavors, function(el) {
1874

    
1875
                var disk_available = quotas['disk'] + extra.disk;
1876
                var disk_size = el.get_disk_size();
1877
                if (index.disk.indexOf(disk_size) == -1) {
1878
                  var disk = el.disk_to_bytes();
1879
                  if (disk > disk_available) {
1880
                    index.disk.push(disk_size);
1881
                  }
1882
                }
1883
                
1884
                var ram_available = quotas['ram'] + extra.ram * 1024 * 1024;
1885
                var ram_size = el.get_ram_size();
1886
                if (index.ram.indexOf(ram_size) == -1) {
1887
                  var ram = el.ram_to_bytes();
1888
                  if (ram > ram_available) {
1889
                    index.ram.push(el.get('ram'))
1890
                  }
1891
                }
1892

    
1893
                var cpu = el.get('cpu');
1894
                var cpu_available = quotas['cpu'] + extra.cpu;
1895
                if (index.cpu.indexOf(cpu) == -1) {
1896
                  if (cpu > cpu_available) {
1897
                    index.cpu.push(el.get('cpu'))
1898
                  }
1899
                }
1900
            });
1901
            return index;
1902
        },
1903

    
1904
        unavailable_values_for_image: function(img, flavors) {
1905
            var flavors = flavors || this.active();
1906
            var size = img.get_size();
1907
            
1908
            var index = {cpu:[], disk:[], ram:[]};
1909

    
1910
            _.each(this.active(), function(el) {
1911
                var img_size = size;
1912
                var flv_size = el.get_disk_size();
1913
                if (flv_size < img_size) {
1914
                    if (index.disk.indexOf(flv_size) == -1) {
1915
                        index.disk.push(flv_size);
1916
                    }
1917
                };
1918
            });
1919
            
1920
            return index;
1921
        },
1922

    
1923
        get_flavor: function(cpu, mem, disk, disk_template, filter_list) {
1924
            if (!filter_list) { filter_list = this.models };
1925
            
1926
            return this.select(function(flv){
1927
                if (flv.get("cpu") == cpu + "" &&
1928
                   flv.get("ram") == mem + "" &&
1929
                   flv.get("disk") == disk + "" &&
1930
                   flv.get("disk_template") == disk_template &&
1931
                   filter_list.indexOf(flv) > -1) { return true; }
1932
            })[0];
1933
        },
1934
        
1935
        get_data: function(lst) {
1936
            var data = {'cpu': [], 'mem':[], 'disk':[], 'disk_template':[]};
1937

    
1938
            _.each(lst, function(flv) {
1939
                if (data.cpu.indexOf(flv.get("cpu")) == -1) {
1940
                    data.cpu.push(flv.get("cpu"));
1941
                }
1942
                if (data.mem.indexOf(flv.get("ram")) == -1) {
1943
                    data.mem.push(flv.get("ram"));
1944
                }
1945
                if (data.disk.indexOf(flv.get("disk")) == -1) {
1946
                    data.disk.push(flv.get("disk"));
1947
                }
1948
                if (data.disk_template.indexOf(flv.get("disk_template")) == -1) {
1949
                    data.disk_template.push(flv.get("disk_template"));
1950
                }
1951
            })
1952
            
1953
            return data;
1954
        },
1955

    
1956
        active: function() {
1957
            return this.filter(function(flv){return flv.get('status') != "DELETED"});
1958
        }
1959
            
1960
    })
1961

    
1962
    models.VMS = models.Collection.extend({
1963
        model: models.VM,
1964
        path: 'servers',
1965
        details: true,
1966
        copy_image_meta: true,
1967

    
1968
        parse: function (resp, xhr) {
1969
            var data = resp;
1970
            if (!resp) { return [] };
1971
            data = _.filter(_.map(resp.servers, 
1972
                                  _.bind(this.parse_vm_api_data, this)), 
1973
                                  function(v){return v});
1974
            return data;
1975
        },
1976

    
1977
        parse_vm_api_data: function(data) {
1978
            // do not add non existing DELETED entries
1979
            if (data.status && data.status == "DELETED") {
1980
                if (!this.get(data.id)) {
1981
                    return false;
1982
                }
1983
            }
1984
            
1985
            if ('SNF:task_state' in data) { 
1986
                data['task_state'] = data['SNF:task_state'];
1987
                if (data['task_state']) {
1988
                    var status = models.VM.TASK_STATE_STATUS_MAP[data['task_state']];
1989
                    if (status) { data['status'] = status }
1990
                }
1991
            }
1992

    
1993
            // OS attribute
1994
            if (this.has_meta(data)) {
1995
                data['OS'] = data.metadata.OS || snf.config.unknown_os;
1996
            }
1997
            
1998
            if (!data.diagnostics) {
1999
                data.diagnostics = [];
2000
            }
2001

    
2002
            // network metadata
2003
            data['firewalls'] = {};
2004
            
2005
            data['fqdn'] = data['SNF:fqdn'] || synnefo.config.vm_hostname_format.format(data['id']);
2006

    
2007
            // if vm has no metadata, no metadata object
2008
            // is in json response, reset it to force
2009
            // value update
2010
            if (!data['metadata']) {
2011
                data['metadata'] = {};
2012
            }
2013
            
2014
            // v2.0 API returns objects
2015
            data.image_obj = data.image;
2016
            data.image = data.image_obj.id;
2017
            data.flavor_obj = data.flavor;
2018
            data.flavor = data.flavor_obj.id;
2019

    
2020
            return data;
2021
        },
2022

    
2023
        get_reboot_required: function() {
2024
            return this.filter(function(vm){return vm.get("reboot_required") == true})
2025
        },
2026

    
2027
        has_pending_actions: function() {
2028
            return this.filter(function(vm){return vm.pending_action}).length > 0;
2029
        },
2030

    
2031
        reset_pending_actions: function() {
2032
            this.each(function(vm) {
2033
                vm.clear_pending_action();
2034
            })
2035
        },
2036

    
2037
        do_all_pending_actions: function(success, error) {
2038
            this.each(function(vm) {
2039
                if (vm.has_pending_action()) {
2040
                    vm.call(vm.pending_action, success, error);
2041
                    vm.clear_pending_action();
2042
                }
2043
            })
2044
        },
2045
        
2046
        do_all_reboots: function(success, error) {
2047
            this.each(function(vm) {
2048
                if (vm.get("reboot_required")) {
2049
                    vm.call("reboot", success, error);
2050
                }
2051
            });
2052
        },
2053

    
2054
        reset_reboot_required: function() {
2055
            this.each(function(vm) {
2056
                vm.set({'reboot_required': undefined});
2057
            })
2058
        },
2059
        
2060
        stop_stats_update: function(exclude) {
2061
            var exclude = exclude || [];
2062
            this.each(function(vm) {
2063
                if (exclude.indexOf(vm) > -1) {
2064
                    return;
2065
                }
2066
                vm.stop_stats_update();
2067
            })
2068
        },
2069
        
2070
        has_meta: function(vm_data) {
2071
            return vm_data.metadata && vm_data.metadata
2072
        },
2073

    
2074
        has_addresses: function(vm_data) {
2075
            return vm_data.metadata && vm_data.metadata
2076
        },
2077

    
2078
        create: function (name, image, flavor, meta, extra, callback) {
2079

    
2080
            if (this.copy_image_meta) {
2081
                if (synnefo.config.vm_image_common_metadata) {
2082
                    _.each(synnefo.config.vm_image_common_metadata, 
2083
                        function(key){
2084
                            if (image.get_meta(key)) {
2085
                                meta[key] = image.get_meta(key);
2086
                            }
2087
                    });
2088
                }
2089

    
2090
                if (image.get("OS")) {
2091
                    meta['OS'] = image.get("OS");
2092
                }
2093
            }
2094
            
2095
            opts = {name: name, imageRef: image.id, flavorRef: flavor.id, 
2096
                    metadata:meta}
2097
            opts = _.extend(opts, extra);
2098
            
2099
            var cb = function(data) {
2100
              synnefo.storage.quotas.get('cyclades.vm').increase();
2101
              callback(data);
2102
            }
2103

    
2104
            this.api_call(this.path, "create", {'server': opts}, undefined, 
2105
                          undefined, cb, {critical: true});
2106
        },
2107

    
2108
        load_missing_images: function(callback) {
2109
          var missing_ids = [];
2110
          var resolved = 0;
2111

    
2112
          // fill missing_ids
2113
          this.each(function(el) {
2114
            var imgid = el.get("image");
2115
            var existing = synnefo.storage.images.get(imgid);
2116
            if (!existing && missing_ids.indexOf(imgid) == -1) {
2117
              missing_ids.push(imgid);
2118
            }
2119
          });
2120
          var check = function() {
2121
            // once all missing ids where resolved continue calling the 
2122
            // callback
2123
            resolved++;
2124
            if (resolved == missing_ids.length) {
2125
              callback(missing_ids)
2126
            }
2127
          }
2128
          if (missing_ids.length == 0) {
2129
            callback(missing_ids);
2130
            return;
2131
          }
2132
          // start resolving missing image ids
2133
          _(missing_ids).each(function(imgid){
2134
            synnefo.storage.images.update_unknown_id(imgid, check);
2135
          });
2136
        },
2137

    
2138
        get_connectable: function() {
2139
            return storage.vms.filter(function(vm){
2140
                return !vm.in_error_state() && !vm.is_building();
2141
            });
2142
        }
2143
    })
2144
    
2145
    models.PublicKey = models.Model.extend({
2146
        path: 'keys',
2147
        api_type: 'userdata',
2148
        detail: false,
2149
        model_actions: {
2150
          'remove': [['name'], function() {
2151
            return true;
2152
          }]
2153
        },
2154

    
2155
        get_public_key: function() {
2156
            return cryptico.publicKeyFromString(this.get("content"));
2157
        },
2158

    
2159
        get_filename: function() {
2160
            return "{0}.pub".format(this.get("name"));
2161
        },
2162

    
2163
        identify_type: function() {
2164
            try {
2165
                var cont = snf.util.validatePublicKey(this.get("content"));
2166
                var type = cont.split(" ")[0];
2167
                return synnefo.util.publicKeyTypesMap[type];
2168
            } catch (err) { return false };
2169
        },
2170

    
2171
        rename: function(new_name) {
2172
          //this.set({'name': new_name});
2173
          this.sync("update", this, {
2174
            critical: true,
2175
            data: {'name': new_name}, 
2176
            success: _.bind(function(){
2177
              snf.api.trigger("call");
2178
            }, this)
2179
          });
2180
        }
2181
    })
2182
    
2183
    models._ActionsModel = models.Model.extend({
2184
      defaults: { pending: null },
2185
      actions: [],
2186
      status: {
2187
        INACTIVE: 0,
2188
        PENDING: 1,
2189
        CALLED: 2
2190
      },
2191

    
2192
      initialize: function(attrs, opts) {
2193
        models._ActionsModel.__super__.initialize.call(this, attrs);
2194
        this.actions = opts.actions;
2195
        this.model = opts.model;
2196
        this.bind("change", function() {
2197
          this.set({'pending': this.get_pending()});
2198
        }, this);
2199
        this.clear();
2200
      },
2201
      
2202
      _in_status: function(st) {
2203
        var actions = null;
2204
        _.each(this.attributes, function(status, action){
2205
          if (status == st) {
2206
            if (!actions) {
2207
              actions = []
2208
            }
2209
            actions.push(action);
2210
          }
2211
        });
2212
        return actions;
2213
      },
2214

    
2215
      get_pending: function() {
2216
        return this._in_status(this.status.PENDING);
2217
      },
2218

    
2219
      unset_pending_action: function(action) {
2220
        var data = {};
2221
        data[action] = this.status.INACTIVE;
2222
        this.set(data);
2223
      },
2224

    
2225
      set_pending_action: function(action, reset_pending) {
2226
        reset_pending = reset_pending === undefined ? true : reset_pending;
2227
        var data = {};
2228
        data[action] = this.status.PENDING;
2229
        if (reset_pending) {
2230
          this.reset_pending();
2231
        }
2232
        this.set(data);
2233
      },
2234
      
2235
      reset_pending: function() {
2236
        var data = {};
2237
        _.each(this.actions, function(action) {
2238
          data[action] = this.status.INACTIVE;
2239
        }, this);
2240
        this.set(data);
2241
      }
2242
    });
2243

    
2244
    models.PublicPool = models.Model.extend({});
2245
    models.PublicPools = models.Collection.extend({
2246
      model: models.PublicPool,
2247
      path: 'os-floating-ip-pools',
2248
      api_type: 'compute',
2249
      noUpdate: true,
2250

    
2251
      parse: function(data) {
2252
        return _.map(data.floating_ip_pools, function(pool) {
2253
          pool.id = pool.name;
2254
          return pool;
2255
        });
2256
      }
2257
    });
2258

    
2259
    models.PublicKeys = models.Collection.extend({
2260
        model: models.PublicKey,
2261
        details: false,
2262
        path: 'keys',
2263
        api_type: 'userdata',
2264
        noUpdate: true,
2265
        updateEntries: true,
2266

    
2267
        generate_new: function(success, error) {
2268
            snf.api.sync('create', undefined, {
2269
                url: getUrl.call(this, this.base_url) + "/generate", 
2270
                success: success, 
2271
                error: error,
2272
                skip_api_error: true
2273
            });
2274
        },
2275
        
2276
        add_crypto_key: function(key, success, error, options) {
2277
            var options = options || {};
2278
            var m = new models.PublicKey();
2279

    
2280
            // guess a name
2281
            var name_tpl = "my generated public key";
2282
            var name = name_tpl;
2283
            var name_count = 1;
2284
            
2285
            while(this.filter(function(m){ return m.get("name") == name }).length > 0) {
2286
                name = name_tpl + " " + name_count;
2287
                name_count++;
2288
            }
2289
            
2290
            m.set({name: name});
2291
            m.set({content: key});
2292
            
2293
            options.success = function () { return success(m) };
2294
            options.errror = error;
2295
            options.skip_api_error = true;
2296
            
2297
            this.create(m.attributes, options);
2298
        }
2299
    });
2300

    
2301
  
2302
    models.Quota = models.Model.extend({
2303

    
2304
        initialize: function() {
2305
            models.Quota.__super__.initialize.apply(this, arguments);
2306
            this.bind("change", this.check, this);
2307
            this.check();
2308
        },
2309
        
2310
        check: function() {
2311
            var usage, limit;
2312
            usage = this.get('usage');
2313
            limit = this.get('limit');
2314
            if (usage >= limit) {
2315
                this.trigger("available");
2316
            } else {
2317
                this.trigger("unavailable");
2318
            }
2319
        },
2320

    
2321
        increase: function(val) {
2322
            if (val === undefined) { val = 1};
2323
            this.set({'usage': this.get('usage') + val})
2324
        },
2325

    
2326
        decrease: function(val) {
2327
            if (val === undefined) { val = 1};
2328
            this.set({'usage': this.get('usage') - val})
2329
        },
2330

    
2331
        can_consume: function() {
2332
            var usage, limit;
2333
            usage = this.get('usage');
2334
            limit = this.get('limit');
2335
            if (usage >= limit) {
2336
                return false
2337
            } else {
2338
                return true
2339
            }
2340
        },
2341
        
2342
        is_bytes: function() {
2343
            return this.get('resource').get('unit') == 'bytes';
2344
        },
2345
        
2346
        get_available: function(active) {
2347
            suffix = '';
2348
            if (active) { suffix = '_active'}
2349
            var value = this.get('limit'+suffix) - this.get('usage'+suffix);
2350
            if (active) {
2351
              if (this.get('available') <= value) {
2352
                value = this.get('available');
2353
              }
2354
            }
2355
            if (value < 0) { return value }
2356
            return value
2357
        },
2358

    
2359
        get_readable: function(key, active) {
2360
            var value;
2361
            if (key == 'available') {
2362
                value = this.get_available(active);
2363
            } else {
2364
                value = this.get(key)
2365
            }
2366
            if (value <= 0) { value = 0 }
2367
            if (!this.is_bytes()) {
2368
              return value + "";
2369
            }
2370
            return snf.util.readablizeBytes(value);
2371
        }
2372
    });
2373

    
2374
    models.Quotas = models.Collection.extend({
2375
        model: models.Quota,
2376
        api_type: 'accounts',
2377
        path: 'quotas',
2378
        parse: function(resp) {
2379
            filtered = _.map(resp.system, function(value, key) {
2380
                var available = (value.limit - value.usage) || 0;
2381
                var available_active = available;
2382
                var keysplit = key.split(".");
2383
                var limit_active = value.limit;
2384
                var usage_active = value.usage;
2385
                keysplit[keysplit.length-1] = "total_" + keysplit[keysplit.length-1];
2386
                var activekey = keysplit.join(".");
2387
                var exists = resp.system[activekey];
2388
                if (exists) {
2389
                    available_active = exists.limit - exists.usage;
2390
                    limit_active = exists.limit;
2391
                    usage_active = exists.usage;
2392
                }
2393
                return _.extend(value, {'name': key, 'id': key, 
2394
                          'available': available,
2395
                          'available_active': available_active,
2396
                          'limit_active': limit_active,
2397
                          'usage_active': usage_active,
2398
                          'resource': snf.storage.resources.get(key)});
2399
            });
2400
            return filtered;
2401
        },
2402
        
2403
        get_by_id: function(k) {
2404
          return this.filter(function(q) { return q.get('name') == k})[0]
2405
        },
2406

    
2407
        get_available_for_vm: function(options) {
2408
          var quotas = synnefo.storage.quotas;
2409
          var key = 'available';
2410
          var available_quota = {};
2411
          _.each(['cyclades.ram', 'cyclades.cpu', 'cyclades.disk'], 
2412
            function (key) {
2413
              var value = quotas.get(key).get_available(true);
2414
              available_quota[key.replace('cyclades.', '')] = value;
2415
          });
2416
          return available_quota;
2417
        }
2418
    })
2419

    
2420
    models.Resource = models.Model.extend({
2421
        api_type: 'accounts',
2422
        path: 'resources'
2423
    });
2424

    
2425
    models.Resources = models.Collection.extend({
2426
        api_type: 'accounts',
2427
        path: 'resources',
2428
        model: models.Network,
2429

    
2430
        parse: function(resp) {
2431
            return _.map(resp, function(value, key) {
2432
                return _.extend(value, {'name': key, 'id': key});
2433
            })
2434
        }
2435
    });
2436
    
2437
    // storage initialization
2438
    snf.storage.images = new models.Images();
2439
    snf.storage.flavors = new models.Flavors();
2440
    snf.storage.vms = new models.VMS();
2441
    snf.storage.keys = new models.PublicKeys();
2442
    snf.storage.resources = new models.Resources();
2443
    snf.storage.quotas = new models.Quotas();
2444
    snf.storage.public_pools = new models.PublicPools();
2445

    
2446
})(this);